Question

these molecules are ____
thiolamines
amines
geometric isomers
enantiomers
structural isomers
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part d
these molecules are ____
geometric isomers
enantiomers
structural isomers
atp and adp

Explanation:

For the first - set of molecules: Structural isomers have different connectivity of atoms. Geometric isomers have different spatial arrangements around a double - bond (not applicable here as no double - bond is indicated). Enantiomers are non - superimposable mirror images. Thiol has a - SH group and amine has a - NH₂ group which are not indicated. The molecules have different atom connectivity, so they are structural isomers.
For the second - set of molecules: Geometric isomers have different arrangements of atoms around a double - bond or ring. Enantiomers are mirror images. ATP and ADP are energy - related molecules with specific structures not shown here. These molecules have the same connectivity but different spatial arrangements around a non - rotatable bond (implied), so they are geometric isomers.

Answer:

First part: E. structural isomers
Second part: A. geometric isomers